Question

You are a blacksmith and have been working with 11.5 kg of steel. When you are finished shaping it, the steel is at a temperature of 390°C. To cool it off, you drop it into a bucket containing 4.5 kg of water at 70°C. How much of this water is converted to steam? Assume the steel, the water, and the steam all have the same final temperature.
answer in KG....